HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HK MP5K, MP5KN Barrel - 9mm - 5.85" - Threaded 1/2x28 with 3 Lug
RCM
$164.95RCM HK MP5K/N 9mm Barrel - Threaded 1/2x28 - 3-Lug Machined from a cold hammer forged blank to the latest MP5KN PDW specifications, this barrel features factory-correct, updated 16 flutes in the chamber. It is 3-lugged, threaded, and designed to...$164.95 -
HK MP5 Surefire Lighted Handguard - 328LMF
Surefire
$649.95Surefire - 328LMF - Lighted Handguard The SureFire 328LMF-B replaces the original handguard of your HK MP5, HK53, or HK94. Compact 3-volt (1-battery) system features a virtually indestructible LED emitter focused by a TIR lens, which produces a brilliant...$649.95 -
Link Anchor Poly Handstop
Strike Industries
$19.95Strike Industries Link Anchor Poly Handstop The LINK Anchor Handstop is made from a heat-resistant polymer that allows comfortable grip in any shooting condition. It has a low profile design that allows mounting through any MLOK or KeyMod openings. The...$19.95 -
HK German Leather Sling - Used-Very Good
H&K Heckler & Koch
$59.95Original Surplus German HK Leather 2 point sling - Used- Very Good Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in good shape overall. Made with leather straps and steel hardware and HK sling hook. Last of the...$59.95 -
HK MP5, HK94 Slimline Handguard
H&K Heckler & Koch
$69.95H&K HK MP5 & HK 94 Slimline Forearm Used German military slimline forearm refinished and cerakote in a black finish. Modified to fit the MP5 & SP5. These are rare items only offered here at HK Parts. Each item is in good to...$69.95 -
HK416, HK417, MR556, MR762 Rail Cover Set
H&K Heckler & Koch
$69.95H&K HK MR556/MR762/416/417 Rail Cover Set Brand new Heckler & Koch Picatinny rail covers made of high impact HK polymer. Each rail is equipped with a quick release tab & marked with the HK logo. Specifications: Length: 8...$69.95 -
HK UMP, USC Stock Block B - Eyelet Thumb Screw
HDPS
$229.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B- Eyelet Screws New latest production HDPS HK USC/UMP Stock Block type for use with all HK UMP factory or US made Folding Stocks. Each unit comes with the sling loop eyelet and thumbscrews. This is a...$229.95 -
HK German Hammer Spring (5.56/.223 & 7.62x51/.308) - Used
H&K Heckler & Koch
$4.95HK German Rifle Hammer Spring For All .308 & .223 Semi & Full Auto Trigger Packs The rifle 308/5.56 hammer spring is a popular upgrade in 9mm builds experiencing light primer hits. This is the factory correct 25 lb. weight for positive detonation...$4.95 -
Michaels Machines Clubfoot with Heavy Rubber Buttpad Stock for HK Rifles - OD Green
Michaels Machines
$199.95Michaels Machines Clubfoot with Heavy Rubber Buttpad Stock for HK Rifles - OD Green US Made Clubfoot (21E/23E Style) Central Buttstock Section With US Heavy Rubber Buttpad in OD Green. Just add your buffer & backplate and you are good to go. Great...$199.95 -
Hammer Spring, HK Burst Trigger Packs
H&K Heckler & Koch
$19.95H&K Hammer Spring For HK Burst Trigger Pack The HK German factory intermediate poundage "satin" gray hammer spring is found in all 9mm, 40/10, and .556/223 burst trigger packs and is proven to be the most reliable and longest-lasting spring for burst...$19.95 -
HK G36, SL8 Locking Push Pin for Handguards, Lowers, Magwells
GSG9
$18.95HK G36, SL8 Push Pin For Forearm, Magwell, & Lower Each push pin/locking pin retains the forearm, magwell, & lower to the upper receiver. Each G36 style firearm uses a total of 3X of these push pins. Compatible With: G36 G36K G36C G36...$18.95 -
T65 Rifle Parts Kit - Gas Piston - Vintage Taiwanese
Other
$1,199.95Taiwanese T65 Gas Piston Rifle Parts Kit - Vintage We have a limited number of these super rare gas piston rifle parts kits. Each kit was used in Central & South America during active military conflicts and civil war. These kits are heavily...$1,199.95